Investigation underway into train car derailment in Center City

PHILADELPHIA (WPVI) -- An investigation is underway into what caused two CSX train cars to derail in Center City early Monday morning.

It happened near the 2400 block of Chestnut Street at about midnight.

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Crews have been able to upright the cars.

There were hazmat materials in the affected cars.

Luckily, there were no reports of any injuries.

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